avalanche incident viewer

Incident Details

Date
2012-04-21
Location
Matier NW Face
Location Description
Mid Face, Near upper cliffs
Province
BC
Mountain Range
Coast Mountains
Coordinates
50.3256 122.445 Lat/Long Decimal Degrees
Elevation
-
Activity
Backcountry Skiing
Involvement
0
Injury
0
Fatality
0
Description
Snow profiles showed RP (Moderate 2,3,2) on Faceting heat/sun crust 25cm down. Wind slap seemed to be getting worse towards climbers left of the face. Group decided to climb on right side of face. First skier successfully descended down close to up track. Second skier skied further skiers right on the face. On the second turn, the windslab released 5-10cm deep (size 0.5), propagated under cliffs to a depth of approx 30cm (size 1.5-2). The involved Skier traversed out towards skiers left while slab ran out. The slab took out part of the skiers 1 tracks. 3rd skier skied successfully descended near up track.
Date/time Size Type Trigger Elevation Aspect Slab width Slab thickness
2012-04-21 13:00 2 S S - U 70m 25cm
Present Temp Max Temp Min Temp 24hr Trend Wind Speed Wind Direction Sky Condition Precipitation Type & Intensity
- - - Steady L U FEW None
Weather comment
Snowpack 24hr Snow Storm Snow Storm Date
- 0 15 -
Snowpack comment
2 storms deposited windslabs on the face of varying thickness and bonding characteristics.
Document Date Title Source
2012-04-21 View from top of slide Taken shortly after slide
2012-04-21 Zoom
2012-04-21 View from Bottom Taken shortly after slide

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